Address Contract Partially Verified
Address
0x69b073DC230aa540a0122aAE1acab1622304D5f2
Balance
0 ETH
Nonce
1
Code Size
3762 bytes
Creator
0x8D535503...3508 at tx 0x73916954...b8aa68
Indexed Transactions
0
Contract Bytecode
3762 bytes
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Verified Source Code Partial Match
Compiler: v0.8.30+commit.73712a01
EVM: prague
Optimization: Yes (200 runs)
draft-IERC6093.sol 161 lines
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (interfaces/draft-IERC6093.sol)
pragma solidity ^0.8.20;
/**
* @dev Standard ERC-20 Errors
* Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-20 tokens.
*/
interface IERC20Errors {
/**
* @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
* @param balance Current balance for the interacting account.
* @param needed Minimum amount required to perform a transfer.
*/
error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed);
/**
* @dev Indicates a failure with the token `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
*/
error ERC20InvalidSender(address sender);
/**
* @dev Indicates a failure with the token `receiver`. Used in transfers.
* @param receiver Address to which tokens are being transferred.
*/
error ERC20InvalidReceiver(address receiver);
/**
* @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers.
* @param spender Address that may be allowed to operate on tokens without being their owner.
* @param allowance Amount of tokens a `spender` is allowed to operate with.
* @param needed Minimum amount required to perform a transfer.
*/
error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed);
/**
* @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
* @param approver Address initiating an approval operation.
*/
error ERC20InvalidApprover(address approver);
/**
* @dev Indicates a failure with the `spender` to be approved. Used in approvals.
* @param spender Address that may be allowed to operate on tokens without being their owner.
*/
error ERC20InvalidSpender(address spender);
}
/**
* @dev Standard ERC-721 Errors
* Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-721 tokens.
*/
interface IERC721Errors {
/**
* @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in ERC-20.
* Used in balance queries.
* @param owner Address of the current owner of a token.
*/
error ERC721InvalidOwner(address owner);
/**
* @dev Indicates a `tokenId` whose `owner` is the zero address.
* @param tokenId Identifier number of a token.
*/
error ERC721NonexistentToken(uint256 tokenId);
/**
* @dev Indicates an error related to the ownership over a particular token. Used in transfers.
* @param sender Address whose tokens are being transferred.
* @param tokenId Identifier number of a token.
* @param owner Address of the current owner of a token.
*/
error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner);
/**
* @dev Indicates a failure with the token `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
*/
error ERC721InvalidSender(address sender);
/**
* @dev Indicates a failure with the token `receiver`. Used in transfers.
* @param receiver Address to which tokens are being transferred.
*/
error ERC721InvalidReceiver(address receiver);
/**
* @dev Indicates a failure with the `operator`’s approval. Used in transfers.
* @param operator Address that may be allowed to operate on tokens without being their owner.
* @param tokenId Identifier number of a token.
*/
error ERC721InsufficientApproval(address operator, uint256 tokenId);
/**
* @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
* @param approver Address initiating an approval operation.
*/
error ERC721InvalidApprover(address approver);
/**
* @dev Indicates a failure with the `operator` to be approved. Used in approvals.
* @param operator Address that may be allowed to operate on tokens without being their owner.
*/
error ERC721InvalidOperator(address operator);
}
/**
* @dev Standard ERC-1155 Errors
* Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC-1155 tokens.
*/
interface IERC1155Errors {
/**
* @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
* @param balance Current balance for the interacting account.
* @param needed Minimum amount required to perform a transfer.
* @param tokenId Identifier number of a token.
*/
error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId);
/**
* @dev Indicates a failure with the token `sender`. Used in transfers.
* @param sender Address whose tokens are being transferred.
*/
error ERC1155InvalidSender(address sender);
/**
* @dev Indicates a failure with the token `receiver`. Used in transfers.
* @param receiver Address to which tokens are being transferred.
*/
error ERC1155InvalidReceiver(address receiver);
/**
* @dev Indicates a failure with the `operator`’s approval. Used in transfers.
* @param operator Address that may be allowed to operate on tokens without being their owner.
* @param owner Address of the current owner of a token.
*/
error ERC1155MissingApprovalForAll(address operator, address owner);
/**
* @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals.
* @param approver Address initiating an approval operation.
*/
error ERC1155InvalidApprover(address approver);
/**
* @dev Indicates a failure with the `operator` to be approved. Used in approvals.
* @param operator Address that may be allowed to operate on tokens without being their owner.
*/
error ERC1155InvalidOperator(address operator);
/**
* @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation.
* Used in batch transfers.
* @param idsLength Length of the array of token identifiers
* @param valuesLength Length of the array of token amounts
*/
error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength);
}
ERC20.sol 311 lines
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.3.0) (token/ERC20/ERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "./IERC20.sol";
import {IERC20Metadata} from "./extensions/IERC20Metadata.sol";
import {Context} from "../../utils/Context.sol";
import {IERC20Errors} from "../../interfaces/draft-IERC6093.sol";
/**
* @dev Implementation of the {IERC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
*
* TIP: For a detailed writeup see our guide
* https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* The default value of {decimals} is 18. To change this, you should override
* this function so it returns a different value.
*
* We have followed general OpenZeppelin Contracts guidelines: functions revert
* instead returning `false` on failure. This behavior is nonetheless
* conventional and does not conflict with the expectations of ERC-20
* applications.
*/
abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors {
mapping(address account => uint256) private _balances;
mapping(address account => mapping(address spender => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
/**
* @dev Sets the values for {name} and {symbol}.
*
* Both values are immutable: they can only be set once during construction.
*/
constructor(string memory name_, string memory symbol_) {
_name = name_;
_symbol = symbol_;
}
/**
* @dev Returns the name of the token.
*/
function name() public view virtual returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view virtual returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5.05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the default value returned by this function, unless
* it's overridden.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view virtual returns (uint8) {
return 18;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view virtual returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view virtual returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-transfer}.
*
* Requirements:
*
* - `to` cannot be the zero address.
* - the caller must have a balance of at least `value`.
*/
function transfer(address to, uint256 value) public virtual returns (bool) {
address owner = _msgSender();
_transfer(owner, to, value);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* NOTE: If `value` is the maximum `uint256`, the allowance is not updated on
* `transferFrom`. This is semantically equivalent to an infinite approval.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 value) public virtual returns (bool) {
address owner = _msgSender();
_approve(owner, spender, value);
return true;
}
/**
* @dev See {IERC20-transferFrom}.
*
* Skips emitting an {Approval} event indicating an allowance update. This is not
* required by the ERC. See {xref-ERC20-_approve-address-address-uint256-bool-}[_approve].
*
* NOTE: Does not update the allowance if the current allowance
* is the maximum `uint256`.
*
* Requirements:
*
* - `from` and `to` cannot be the zero address.
* - `from` must have a balance of at least `value`.
* - the caller must have allowance for ``from``'s tokens of at least
* `value`.
*/
function transferFrom(address from, address to, uint256 value) public virtual returns (bool) {
address spender = _msgSender();
_spendAllowance(from, spender, value);
_transfer(from, to, value);
return true;
}
/**
* @dev Moves a `value` amount of tokens from `from` to `to`.
*
* This internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* NOTE: This function is not virtual, {_update} should be overridden instead.
*/
function _transfer(address from, address to, uint256 value) internal {
if (from == address(0)) {
revert ERC20InvalidSender(address(0));
}
if (to == address(0)) {
revert ERC20InvalidReceiver(address(0));
}
_update(from, to, value);
}
/**
* @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from`
* (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding
* this function.
*
* Emits a {Transfer} event.
*/
function _update(address from, address to, uint256 value) internal virtual {
if (from == address(0)) {
// Overflow check required: The rest of the code assumes that totalSupply never overflows
_totalSupply += value;
} else {
uint256 fromBalance = _balances[from];
if (fromBalance < value) {
revert ERC20InsufficientBalance(from, fromBalance, value);
}
unchecked {
// Overflow not possible: value <= fromBalance <= totalSupply.
_balances[from] = fromBalance - value;
}
}
if (to == address(0)) {
unchecked {
// Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply.
_totalSupply -= value;
}
} else {
unchecked {
// Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256.
_balances[to] += value;
}
}
emit Transfer(from, to, value);
}
/**
* @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0).
* Relies on the `_update` mechanism
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* NOTE: This function is not virtual, {_update} should be overridden instead.
*/
function _mint(address account, uint256 value) internal {
if (account == address(0)) {
revert ERC20InvalidReceiver(address(0));
}
_update(address(0), account, value);
}
/**
* @dev Destroys a `value` amount of tokens from `account`, lowering the total supply.
* Relies on the `_update` mechanism.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* NOTE: This function is not virtual, {_update} should be overridden instead
*/
function _burn(address account, uint256 value) internal {
if (account == address(0)) {
revert ERC20InvalidSender(address(0));
}
_update(account, address(0), value);
}
/**
* @dev Sets `value` as the allowance of `spender` over the `owner`'s tokens.
*
* This internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*
* Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument.
*/
function _approve(address owner, address spender, uint256 value) internal {
_approve(owner, spender, value, true);
}
/**
* @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event.
*
* By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by
* `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any
* `Approval` event during `transferFrom` operations.
*
* Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to
* true using the following override:
*
* ```solidity
* function _approve(address owner, address spender, uint256 value, bool) internal virtual override {
* super._approve(owner, spender, value, true);
* }
* ```
*
* Requirements are the same as {_approve}.
*/
function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual {
if (owner == address(0)) {
revert ERC20InvalidApprover(address(0));
}
if (spender == address(0)) {
revert ERC20InvalidSpender(address(0));
}
_allowances[owner][spender] = value;
if (emitEvent) {
emit Approval(owner, spender, value);
}
}
/**
* @dev Updates `owner`'s allowance for `spender` based on spent `value`.
*
* Does not update the allowance value in case of infinite allowance.
* Revert if not enough allowance is available.
*
* Does not emit an {Approval} event.
*/
function _spendAllowance(address owner, address spender, uint256 value) internal virtual {
uint256 currentAllowance = allowance(owner, spender);
if (currentAllowance < type(uint256).max) {
if (currentAllowance < value) {
revert ERC20InsufficientAllowance(spender, currentAllowance, value);
}
unchecked {
_approve(owner, spender, currentAllowance - value, false);
}
}
}
}
IERC20.sol 79 lines
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC-20 standard as defined in the ERC.
*/
interface IERC20 {
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
/**
* @dev Returns the value of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the value of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 value) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the
* allowance mechanism. `value` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 value) external returns (bool);
}
ERC20Burnable.sol 39 lines
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/ERC20Burnable.sol)
pragma solidity ^0.8.20;
import {ERC20} from "../ERC20.sol";
import {Context} from "../../../utils/Context.sol";
/**
* @dev Extension of {ERC20} that allows token holders to destroy both their own
* tokens and those that they have an allowance for, in a way that can be
* recognized off-chain (via event analysis).
*/
abstract contract ERC20Burnable is Context, ERC20 {
/**
* @dev Destroys a `value` amount of tokens from the caller.
*
* See {ERC20-_burn}.
*/
function burn(uint256 value) public virtual {
_burn(_msgSender(), value);
}
/**
* @dev Destroys a `value` amount of tokens from `account`, deducting from
* the caller's allowance.
*
* See {ERC20-_burn} and {ERC20-allowance}.
*
* Requirements:
*
* - the caller must have allowance for ``accounts``'s tokens of at least
* `value`.
*/
function burnFrom(address account, uint256 value) public virtual {
_spendAllowance(account, _msgSender(), value);
_burn(account, value);
}
}
IERC20Metadata.sol 26 lines
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/extensions/IERC20Metadata.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../IERC20.sol";
/**
* @dev Interface for the optional metadata functions from the ERC-20 standard.
*/
interface IERC20Metadata is IERC20 {
/**
* @dev Returns the name of the token.
*/
function name() external view returns (string memory);
/**
* @dev Returns the symbol of the token.
*/
function symbol() external view returns (string memory);
/**
* @dev Returns the decimals places of the token.
*/
function decimals() external view returns (uint8);
}
Context.sol 28 lines
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)
pragma solidity ^0.8.20;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}
token.sol 162 lines
// SPDX-License-Identifier: MIT
/*
This token was deployed safely using https://klik.finance
https://x.com/klik_evm
*/
pragma solidity >=0.8.9;
import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Burnable.sol";
import "@openzeppelin/contracts/token/ERC20/ERC20.sol";
interface IUniswapV3Factory {
function getPool(address tokenA, address tokenB, uint24 fee) external view returns (address);
}
interface INonfungiblePositionManager {
struct MintParams {
address token0;
address token1;
uint24 fee;
int24 tickLower;
int24 tickUpper;
uint256 amount0Desired;
uint256 amount1Desired;
uint256 amount0Min;
uint256 amount1Min;
address recipient;
uint256 deadline;
}
function factory() external view returns (address);
function WETH9() external view returns (address);
function positions(uint256 tokenId) external view returns (
uint96 nonce,
address operator,
address token0,
address token1,
uint24 fee,
int24 tickLower,
int24 tickUpper,
uint128 liquidity,
uint256 feeGrowthInside0LastX128,
uint256 feeGrowthInside1LastX128,
uint128 tokensOwed0,
uint128 tokensOwed1
);
function createAndInitializePoolIfNecessary(
address token0,
address token1,
uint24 fee,
uint160 sqrtPriceX96
) external returns (address pool);
function mint(MintParams calldata params) external returns (
uint256 tokenId,
uint128 liquidity,
uint256 amount0,
uint256 amount1
);
struct CollectParams {
uint256 tokenId;
address recipient;
uint128 amount0Max;
uint128 amount1Max;
}
function collect(CollectParams calldata params) external payable returns (
uint256 amount0,
uint256 amount1
);
function getApproved(uint256 tokenId) external view returns (address);
function isApprovedForAll(address owner, address operator) external view returns (bool);
function ownerOf(uint256 tokenId) external view returns (address);
}
contract Token is ERC20, ERC20Burnable {
address public platform;
address public creator;
uint256 private launchBlock;
uint256 private maxTxAmount;
uint256 private constant LAUNCH_PERIOD = 5; // 5 blocks
uint256 private constant MAX_WALLET_PERCENTAGE = 2; // 2% of total supply
address public constant POSITION_MANAGER = 0xC36442b4a4522E871399CD717aBDD847Ab11FE88;
address public constant WETH = 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2;
// Track transfers per tx.origin per block to detect multi-swaps
mapping(address => uint256) private tokensFromPoolPerOrigin;
constructor(
string memory _name,
string memory _symbol,
address _creator,
address _platform
) ERC20(_name, _symbol) {
platform = _platform;
creator = _creator;
launchBlock = block.number;
uint256 totalTokens = 1000000000 * 10 ** decimals();
maxTxAmount = (totalTokens * MAX_WALLET_PERCENTAGE) / 100;
_mint(_platform, totalTokens);
}
function _update(address from, address to, uint256 value) internal override {
if (block.number > launchBlock && block.number <= launchBlock + LAUNCH_PERIOD) {
// Get pool address for exemption
address factory = INonfungiblePositionManager(POSITION_MANAGER).factory();
address pool = IUniswapV3Factory(factory).getPool(address(this), WETH, 10000);
if (from == pool && to != platform && to != creator) {
tokensFromPoolPerOrigin[tx.origin] += value;
require(
tokensFromPoolPerOrigin[tx.origin] <= maxTxAmount*110/100,
"Keeping 2% pool Limits In Kontrol"
);
}
if (to != creator && to != platform && to != pool && from != address(0)) {
require(
balanceOf(to) + value <= maxTxAmount,
"Max wallet limit exceeded during launch period"
);
}
}
// Block all buys at launch block except exempted transfers
if (block.number == launchBlock &&
from != address(0) &&
to != platform &&
from != platform &&
!(from == platform && to == creator)) { // Only platform can send to creator
revert("No buys allowed during launch block!");
}
super._update(from, to, value);
}
function getTokenPair() public view returns (address,address,address){
address find_factory = INonfungiblePositionManager(POSITION_MANAGER).factory();
address find_pool = IUniswapV3Factory(find_factory).getPool(address(this), WETH, 10000);
return (find_pool,address(this),find_factory);
}
function isLaunchPeriodActive() public view returns (bool) {
return block.number <= launchBlock + LAUNCH_PERIOD;
}
function changeCreator(address newCreator) external {
require(msg.sender == platform, "Only platform can change creator"); //Updating Fee Receiver
creator = newCreator;
}
}
Read Contract
POSITION_MANAGER 0x1bea83fe → address
WETH 0xad5c4648 → address
allowance 0xdd62ed3e → uint256
balanceOf 0x70a08231 → uint256
creator 0x02d05d3f → address
decimals 0x313ce567 → uint8
getTokenPair 0xcbbc94cf → address, address, address
isLaunchPeriodActive 0x2f4237c0 → bool
name 0x06fdde03 → string
platform 0x4bde38c8 → address
symbol 0x95d89b41 → string
totalSupply 0x18160ddd → uint256
Write Contract 6 functions
These functions modify contract state and require a wallet transaction to execute.
approve 0x095ea7b3
address spender
uint256 value
returns: bool
burn 0x42966c68
uint256 value
burnFrom 0x79cc6790
address account
uint256 value
changeCreator 0x74580e2f
address newCreator
transfer 0xa9059cbb
address to
uint256 value
returns: bool
transferFrom 0x23b872dd
address from
address to
uint256 value
returns: bool
Recent Transactions
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